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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-A-973939-14
Circuit Breaker
Part NumberSM-A-973939-14
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-216-1974 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Trip Release CharacteristicTIME DELAY ALL LOCATIONS
Main Contact Tripping Mechanism TyTRIP FREE
Maximum Continuous Load Current Ra35.0 AMPERES AC THIRD LOCATION
Operating Voltage Type And Rating250.0 AC SECOND LOCATION
Reset MethodMANUAL
Maximum Interrupting Capacity Curr5000.0 AC ALL LOCATIONS
Actuator Position DesignationAT EACH POLE
MaterialPLASTIC CASE
Mounting Facility Type And Quantit6 THREADED HOLE(S)
Boss Height0.219 INCHES NOMINAL
Distance Between Centerlines Of Mo1.026 INCHES NOMINAL
Vendor Part NumbersCD3-Z750-1
Cancelled NSN5925-01-211-7739 (cancelled)
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is SM-A-973939-14 available?
We can source SM-A-973939-14 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is SM-A-973939-14 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-A-973939-14 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like SM-A-973939-14?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for SM-A-973939-14?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.